210940443

素因数分解:

$3^4\times 7^2\times {\mathrm{53147}}^1$

素因数の和:53173

約数の個数: 30

約数和(自身を含む): 366561756

約数和(自身を除く): 155621313

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 53147, 159441, 372029, 478323, 1116087, 1434969, 2604203, 3348261, 4304907, 7812609, 10044783, 23437827, 30134349, 70313481, 210940443]

約数ペア:

[(1, 210940443), (3, 70313481), (7, 30134349), (9, 23437827), (21, 10044783), (27, 7812609), (49, 4304907), (63, 3348261), (81, 2604203), (147, 1434969), (189, 1116087), (441, 478323), (567, 372029), (1323, 159441), (3969, 53147)]